Home / 230,763,815.20-346,145,722.80-208,088,999.20

Finding the Fourth Proportional to 230,763,815.20, 346,145,722.80 and 208,088,999.20

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Solution

The fourth proportional to 230,763,815.20, 346,145,722.80 and 208,088,999.20 is: 312,133,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,763,815.20 : 346,145,722.80 = 208,088,999.20 : x
  2. Step 2: Convert to fraction form
    230,763,815.20/346,145,722.80 = 208,088,999.20/x
  3. Step 3: Cross multiply
    230,763,815.20x = 346,145,722.80 × 208,088,999.20
  4. Step 4: Simplify right side
    230,763,815.20x = 72,029,117,034,812,624
  5. Step 5: Solve for x
    x = 72,029,117,034,812,624/230,763,815.20
  6. Step 6: Final answer
    x = 312,133,498.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.